internal override void PrepareUI()
{
if (this.Owner == null || !this.IsTemplateApplied)
{
return;
}
this.Container.Owner = this.Owner.Owner;
var visibleColumns = this.Owner.Owner.Model.VisibleColumns;
for (int i = 0; i < visibleColumns.Count(); i++)
{
DataGridColumn column = visibleColumns.ElementAt(i);
DataGridFlyoutColumnHeader header = new DataGridFlyoutColumnHeader();
this.SetupDragDropProperties(header, i);
header.DataContext = column;
header.SelectionCheck += this.Header_SelectionCheck;
header.SelectionUncheck += this.Header_SelectionUncheck;
header.DragSurfaceRequested += this.HandleDragSurfaceRequested;
header.ParentGrid = this.Owner.Owner;
this.Container.Elements.Add(header);
}
}
/// <inheritdoc/>
protected override DataGridFlyoutHeader CreateHeader()
{
DataGridFlyoutColumnHeader header = new DataGridFlyoutColumnHeader();
header.Width = this.ActualWidth;
header.OuterBorderVisibility = Visibility.Visible;
return(header);
}